- an abundant rock-forming mineral typically occurring as colourless or pale-coloured crystals and consisting of aluminosilicates of potassium, sodium, and calcium.
noun: feldspar, plural noun: feldspars
- an abundant rock-forming mineral typically occurring as colorless or pale-colored crystals and ...
Oxford American Dictionary
... editor。只能選A。 5.Granite is composed of feldspar, _____, is usually glassy and hard. (A) when, pure which (B) when, which...
...big "appetite".6Orthoclase正長石Orthoclase is a feldspar, and in German, "feld" means "field".7Quartz...
...20:06:43 補充： fallaways, falseness, falsities, fatalisms, feldspars, fenestral, filtering, fissioned, flatlings, flichters...